APA-ийн эшлэл(7 дахь хэвлэлт)

PERKINS WENDY. (2019). LET'S LOOK AT ANIMAL LEGS (2007 Ed.). CAPSTONE GLOBAL PUBLISHERS.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

PERKINS WENDY. LET'S LOOK AT ANIMAL LEGS. 2007 Ed. LONDON: CAPSTONE GLOBAL PUBLISHERS, 2019.

MLA -ийн эшлэл (9 дэх хэвлэлт)

PERKINS WENDY. LET'S LOOK AT ANIMAL LEGS. 2007 Ed. CAPSTONE GLOBAL PUBLISHERS, 2019.